Thursday, July 31, 2014
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, JULY 31, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
MOSTLY SUNNY, SLIGHTLY WARMER AND MORE HUMID TODAY
The weather was slightly warmer and more humid with mostly sunny
conditions today. A shower of rain formed to our ENE-E early
this afternoon and moved away to the northeast.
Today’s Observations:
7 A.M.
Weather: Clear, few cirrus S-NW, thin haze layer aloft, patchy thin
smoke layer aloft
Temperature: 66F; Dew Point: 60F; Wind: SSW at 6 kts
Sea-level pressure: 30.12 ins. Hg, increasing, then more slowly
Visibility: 30 miles, except 25 miles NE-E, hazy all quadrants
6-hr max temp: 66F
6-hr min temp: 61F
24-hr precip: None
BHO SA 1155 CLR 30 199/66/60/2006/012/ FEW CI S-NW THN HZ ALF
PTCHY THN K LYR ALF VSBY NE-E 25 HAZY ALQDS/ 8/001 51012
10066 20061
10 A.M.
Weather: Scattered cumulus, moderate cumulus forming, partial
thin haze and smoke layer aloft
Temperature: 77F; Dew Point: 59F; Wind: SSW at 8 kts,
Sea-level pressure: 30.12 ins. Hg, steady
Visibility: 35 miles, except 45 miles WNW, hazy
BHO SA 1455 40 SCT 35 199/77/59/2008/012/ CU/MDT CU FRMG ALQDS PARTIAL
THN HZ/K LYR ALF VSBY WNW 45 HAZY ALQDS/ 8/200 55000
1 P.M.
Weather: Scattered small cumulonimbus, scattered cumulus and moderate
cumulus, scattered altocumulus cumulogenitus, scattered cirrus,
cumulonimbus ENE-E moving NE/shower of rain/virga dissipating,
partial high thin cover of haze/smoke
Temperature: 79F; Dew Point: 61F; Wind: S at 9 kts
Sea-level pressure: 30.11 ins. Hg, falling slightly
Visibility: 30 miles, hazy, except 20 miles ENE-E, shower of rain
6-hr max temp: 79F
6-hr min temp: 66F
BHO SA 1755 45 SCT 75 SCT 250 SCT 30 195/79/61/1909/011/ SML CB 20 ENE-E
MOVG NE SHRA/VIRGA 20 ENE-NE DSPTNG PARTIAL HIGH THN COVER OF HZ/K
VSBY ENE-E 20 MDT CU ALQDS HAZY ALQDS/ 8/361 58004 10079 20066
WEATHER SUMMARY FOR WEDNESDAY, JULY 30, 2014
TEMPERATURE (DEGREES F)
MAX…..78 NORMAL…..81
MIN…..59 NORMAL…..63
MEAN….69 NORMAL…..72
DEPARTURE FROM 30-YEAR NORMAL…………………….-3
TOTAL DEPARTURE FOR THE MONTH……………………+21 [+0.5 DEGREE/DAY]
COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY…………..4 DEPARTURE……….-3
TOTAL COOLING UNITS FOR THE MONTH…………222 DEPARTURE……….+7
TOTAL COOLING UNITS FOR THE SEASON………..331 DEPARTURE………-13
TOTAL COOLING UNITS LAST SEASON TO DATE……477 DIFFERENCE…….-146
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………16 W AT 1:24 P.M.
ASOS…………………..17 WSW AT 12:17 P.M.
DAVIS………………….16 SSW AT 1:06 P.M. RMY 18
FASTEST MILE FOR YESTERDAY………………..12 SSW AT 8:38 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..13 SSW AT 8:46 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….12 W AT 2:09 P.M.
AVERAGE WIND SPEED AND DIRECTION…………..7.4 W
ASOS…………………..7.7
DAVIS………………… 6.6 WSW [250 deg.]
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE………..-0.16
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….5.08 DEPARTURE……….+1.21 *
ASOS…………..5.05
TOTAL PRECIPITATION FOR THE YEAR……….29.63 DEPARTURE……….-1.21 *
ASOS………….29.56
* Departures for month and year corrected….
PRELIMINARY CLIMATE SUMMARY FOR JULY 2014 CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY GUST
RMY: R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
7/1 85/66/76/+6/0.00/695/76 31 SSW RMY 36
7/2 89/69/79/+9/T/639/70 33 SSW RMY 38
7/3 91/68/80/+9/0.05/611/67 29 W RMY 30 TSTM
7/4 72/61/67/-4/2.48/027/03 28 N RMY N/A TSTM
7/5 77/55/66/-5/0.27/738/81 36 NW RMY N/A
7/6 83/61/72/+1/0.00/892/98 29 SW RMY 33
7/7 85/65/75/+4/T/563/62 33 SW RMY 38 TSTM [NO RAIN]
7/8 89/70/80/+8/0.00/763/84 31 SW RMY 38
7/9 86/70/78/+6/0.00/779/86 28 SSW RMY N/A
7/10 80/65/73/+1/0.00/597/66 16 NW RMY N/A
7/11 76/62/69/-3/0.00/732/81 22 NE RMY N/A
7/12 85/60/73/+1/0.00/849/94 21 S RMY 25
7/13 82/64/73/+1/0.01/676/75 31 S RMY 35
7/14 83/69/76/+4/0.54/207/23 25 S RMY 27
7/15 82/70/76/+4/0.02/135/15 26 S RMY 29 TSTM
7/16 73/65/69/-3/0.98/000/00 27 SSW RMY 32 TSTM
7/17 79/62/71/-1/T/573/64 15 WSW RMY 17
7/18 80/60/70/-2/0.00/822/92 15 NW RMY 16
7/19 77/63/70/-2/0.00/054/06 13 E RMY 14
7/20 72/60/66/-6/T/312/35 16 ENE RMY 16
7/21 76/59/68/-4/0.00/667/75 16 E RMY 19
7/22 88/63/76/+4/0.00/816/92 22 SSW RMY 25
7/23 88/68/78/+6/0.00/770/87 29 S RMY 32
7/24 74/63/69/-3/0.01/291/33 18 ENE RMY 18
7/25 80/56/68/-4/0.00/…/.. 18 NW RMY N/A
7/26 82/63/73/+1/0.00/…/.. 28 SSW RMY 32
7/27 75/65/70/-2/0.61/…/.. 28 SSE RMY 30 TSTM
7/28 81/65/73/+1/0.11/…/.. 36 S RMY 40 TSTM
7/29 78/60/69/-3/0.00/…/.. 22 WNW RMY 24
7/30 78/59/69/-3/0.00/…/.. 16 W RMY 18
7/31 morning low of 61F; the normal low is now 63F
DAILY RECORDS FOR JULY 2014:
7/4 NEW DAILY RECORD RAINFALL OF 2.48 ins;
surpasses previous record of 1.78 ins. in 1950
7/16 NEW DAILY RECORD RAINFALL OF 0.98 ins;
surpasses previous record of 0.89 ins. in 1919
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR JULY 31
HIGH 95F IN 1917
LOW 50F IN 1895,1918
PRECIP 1.34 INS IN 1892
PEAK GUST 43e MPH WNW IN 1953, 43 SW IN 1971
RECORDS FOR AUGUST 1
HIGH 97F IN 1917
LOW 49F IN 1891
PRECIP 3.61 INCHES IN 1927
PEAK GUST 41 MPH NNW IN 1985
TODAY’S REPORT PREPARED BY: Robert Skilling
